Wonderful Insertion from the Ladies' Guide to to Elegant Lace Patterns, Etc 1884. Updated versions of the edging, quilt and tidy patterns from the book can be found at http://www.knitting-and.com/ladies-guide/index.html
Note: The double yarn overs in the centre of the pattern are actually triple yarn overs. Drop the last loop of the triple yarn over on the following row. (This couldn't be represented in the stitch map at this time).
Shown with a cast-on count of 30 stitches.